/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package fr.ensisa.pujaszymanski;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author koboneil
 */
public class New_Message extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
	    throws ServletException, IOException {
	response.setContentType("text/html;charset=UTF-8");
	PrintWriter out = response.getWriter();
	try {
	}
	finally {
	    out.close();
	}
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
	    throws ServletException, IOException {
	processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
	    throws ServletException, IOException {
	String message = request.getParameter("message");
	String author = (String) request.getSession().getAttribute("userName");
	long idTopic = -1;

	if(request.getParameter("idTopic") != null)
	    idTopic = Long.valueOf(request.getParameter("idTopic"));
	else {
	    response.sendRedirect("index.jsp");
	    return;
	}

	if(message == null || author == null || message.isEmpty()) {
	    response.sendRedirect("topic.jsp?idTopic=" + idTopic);
	    return;
	}

	Message m = new Message(author, message);
        Forum f = ((Forum) getServletContext().getAttribute("forum"));
	f.getTopic(idTopic).addMessage(m);

	response.sendRedirect("topic.jsp?idTopic=" + idTopic);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
	return "Short description";
    }// </editor-fold>
}
